Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A touchscreen device with an integrated fingerprint sensor, the touchscreen device comprising: a touchscreen having a touch area for touch sensing and a fingerprint and touch area for touch sensing and fingerprint sensing, the touch area having driving electrodes arranged in a first direction and sensing electrodes arranged in a second direction, and the fingerprint and touch area having fingerprint driving electrodes arranged in the first direction and fingerprint sensing electrodes arranged in the second direction, wherein a distance between two neighboring fingerprint sensing electrodes in the fingerprint and touch area have a smaller distance than a distance between two neighboring sensing electrodes in the touch area; a touch integrated circuit that performs touch sensing through the touch area and the fingerprint and touch area and performs fingerprint sensing through the fingerprint and touch area; and sensing lines connecting the sensing electrodes to the touch integrated circuit that overlap the fingerprint sensing electrodes arranged in the fingerprint and touch area, wherein at least one of the sensing lines that overlap the fingerprint and touch area do not perform touch sensing or fingerprint sensing for the fingerprint and touch area, the sensing lines including a first sensing line and a second sensing line, the first sensing line and the second sensing line being individual and separate from each other, wherein the sensing electrodes form a plurality of sensing electrode groups, and the sensing electrode groups are individually and separately connected to the respective sensing lines at the boundary region between the touch area and the fingerprint and touch area, wherein the sensing electrode groups include a first sensing electrode group and a second sensing electrode group, and the first and the second sensing electrode group includes at least two sensing electrodes electrically connected to each other respectively, wherein the first sensing line is electrically connected to one of the at least two sensing electrodes of the first sensing electrode group and the second sensing line is electrically connected to one of the at least two sensing electrodes of the second sensing electrode group.
A touchscreen device with an integrated fingerprint sensor combines touch and fingerprint sensing in a single display area. The device includes a touchscreen with two distinct regions: a touch area for general touch input and a fingerprint and touch area for both touch and fingerprint authentication. The touch area features driving and sensing electrodes arranged in perpendicular directions, while the fingerprint and touch area has denser fingerprint sensing electrodes to improve fingerprint scanning resolution. A touch integrated circuit processes signals from both regions, enabling simultaneous or sequential touch and fingerprint detection. Sensing lines connect the electrodes to the circuit, with some lines overlapping the fingerprint area but not actively participating in sensing. These inactive lines are grouped and connected to specific sensing electrodes at the boundary between the touch and fingerprint regions. The design ensures efficient signal routing while maintaining high-resolution fingerprint scanning and touch sensitivity. The overlapping lines reduce interference and optimize space utilization, enhancing the device's functionality without compromising performance.
2. The touchscreen device of claim 1 , wherein the fingerprint driving electrodes and the fingerprint sensing electrodes work in groups when performing touch sensing and work individually when performing fingerprint sensing.
A touchscreen device integrates both touch sensing and fingerprint sensing capabilities using a shared electrode array. The device includes a plurality of fingerprint driving electrodes and fingerprint sensing electrodes arranged in a matrix. These electrodes operate in different configurations depending on the sensing mode. During touch sensing, the electrodes function in groups to detect touch inputs across the screen. This grouping allows for efficient touch detection while maintaining the ability to distinguish between multiple simultaneous touch points. When performing fingerprint sensing, the electrodes operate individually to capture detailed fingerprint data. This individual operation enables high-resolution fingerprint scanning by independently driving and sensing each electrode to capture unique fingerprint patterns. The device dynamically switches between these modes to provide both touch and fingerprint functionality without requiring separate hardware for each sensing type. This dual-mode operation optimizes electrode usage, reducing complexity and cost while maintaining accurate sensing performance for both touch and fingerprint recognition. The system ensures seamless transitions between modes, allowing users to interact with the touchscreen and authenticate via fingerprint without delays or performance degradation.
3. The touchscreen device of claim 2 , wherein the fingerprint driving electrodes and the fingerprint sensing electrodes form groups by electrical shorting.
A touchscreen device integrates fingerprint sensing capabilities by embedding fingerprint driving and sensing electrodes within the touchscreen panel. The electrodes are arranged to detect fingerprint patterns by generating electrical fields and sensing their disturbances caused by finger ridges and valleys. To improve signal quality and reduce complexity, the fingerprint driving electrodes and fingerprint sensing electrodes are grouped together through electrical shorting. This grouping allows multiple electrodes to function as a single unit, enhancing synchronization and reducing the number of independent signals that need to be processed. The shorted groups can be selectively activated or deactivated to optimize performance based on the touch or fingerprint sensing mode. This design ensures efficient use of the touchscreen's limited space while maintaining high-resolution fingerprint detection. The device may also include additional layers for touch sensing, such as mutual-capacitive or self-capacitive touch electrodes, which operate independently or in conjunction with the fingerprint sensing system. The overall system enables seamless integration of touch and fingerprint functionality without compromising either performance.
4. The touchscreen device of claim 1 , wherein the fingerprint sensing electrodes work in groups or individually in response to an operation of a switch block included within the touch integrated circuit.
A touchscreen device integrates fingerprint sensing electrodes with a touch sensing system to enable simultaneous or sequential touch and fingerprint detection. The device includes a touch integrated circuit (IC) with a switch block that controls the operation of the fingerprint sensing electrodes. The electrodes can be activated in groups or individually based on the switch block's configuration, allowing flexible sensing modes. This design optimizes power efficiency and performance by dynamically adjusting electrode activation according to the sensing requirements. The touchscreen device may also include a display panel with a touch sensing layer and a fingerprint sensing layer, where the fingerprint sensing electrodes are embedded within the touch sensing layer or positioned between the touch and display layers. The switch block within the touch IC selectively connects or disconnects the fingerprint sensing electrodes to the touch sensing circuitry, enabling seamless integration of both functionalities. This approach reduces hardware complexity and improves the accuracy of touch and fingerprint detection in a single device.
5. The touchscreen device of claim 4 , wherein the switch block comprises: first switches that are turned on in response to a fingerprint enable signal and connect the fingerprint sensing electrodes to input terminals of fingerprint sensing parts; and second switches that are turned on in response to a touch enable signal and connects the sensing electrodes to input terminals of touch sensing parts.
A touchscreen device integrates fingerprint sensing and touch sensing functionalities using a shared electrode array. The device includes a switch block that selectively connects the electrodes to either fingerprint sensing circuitry or touch sensing circuitry. The switch block contains first switches that activate in response to a fingerprint enable signal, routing signals from the fingerprint sensing electrodes to the fingerprint sensing circuitry. Simultaneously, second switches in the switch block activate in response to a touch enable signal, routing signals from the same electrodes to the touch sensing circuitry. This configuration allows the device to dynamically switch between fingerprint recognition and touch input detection without requiring separate electrode arrays, optimizing space and cost efficiency. The system ensures that only the relevant sensing circuitry is active at any given time, reducing power consumption and interference between the two sensing modes. The shared electrode design simplifies manufacturing while maintaining the accuracy and responsiveness of both fingerprint and touch sensing operations.
6. The touchscreen device of claim 5 , wherein the first switches and the second switches perform switching operations inversely to each other in response to the touch enable signal and the fingerprint enable signal.
A touchscreen device integrates touch sensing and fingerprint recognition functions to optimize performance and power efficiency. The device includes a touchscreen panel with a plurality of first switches and second switches. The first switches are associated with touch sensing electrodes, while the second switches are associated with fingerprint recognition electrodes. The device generates a touch enable signal to activate touch sensing and a fingerprint enable signal to activate fingerprint recognition. When the touch enable signal is active, the first switches connect the touch sensing electrodes to a touch sensing circuit, enabling touch input detection. Simultaneously, the second switches disconnect the fingerprint recognition electrodes from a fingerprint recognition circuit, deactivating fingerprint recognition. Conversely, when the fingerprint enable signal is active, the second switches connect the fingerprint recognition electrodes to the fingerprint recognition circuit, enabling fingerprint scanning, while the first switches disconnect the touch sensing electrodes from the touch sensing circuit, deactivating touch sensing. This inverse switching ensures that only one function is active at a time, reducing interference and conserving power. The device may also include a controller to manage the switching operations based on user input or application requirements, ensuring seamless transitions between touch and fingerprint modes.
7. The touchscreen device of claim 1 , wherein the sensing electrode groups always work in groups by the sensing lines arranged on the touchscreen, and the driving electrodes work in groups only when performing touch sensing.
A touchscreen device includes a plurality of sensing electrode groups and driving electrodes arranged on a touchscreen. The sensing electrode groups are always active and operate in groups via sensing lines connected to the touchscreen. The driving electrodes are arranged to work in groups only during touch sensing operations. The sensing electrode groups and driving electrodes are configured to detect touch inputs on the touchscreen. The device may include a controller to manage the operation of the sensing electrode groups and driving electrodes, ensuring efficient touch detection while minimizing power consumption. The sensing electrode groups are continuously active to monitor the touchscreen, while the driving electrodes are selectively activated in groups during touch sensing to reduce power usage. The arrangement of the electrodes and their grouped operation improves touch sensitivity and accuracy while optimizing energy efficiency. The device may further include additional components such as a display panel and a processing unit to interpret touch inputs and display corresponding outputs. The grouped operation of the electrodes ensures reliable touch detection across the entire touchscreen surface.
8. The touchscreen device of claim 1 , wherein, when performing fingerprint sensing, the touch integrated circuit connects a plurality of channels connected to the sensing electrode groups to a ground voltage source.
A touchscreen device integrates fingerprint sensing capabilities by utilizing a touch integrated circuit (IC) that connects multiple channels to sensing electrode groups. During fingerprint sensing, the touch IC connects these channels to a ground voltage source to enhance signal quality and accuracy. The device includes a touch controller that processes touch and fingerprint signals, and a display driver that drives a display panel. The touch IC selectively connects the channels to the touch controller or the display driver based on the operating mode, ensuring efficient signal routing. The sensing electrode groups are arranged in a matrix configuration, with each group connected to a channel via a multiplexer. This design allows the device to switch between touch and fingerprint sensing modes while maintaining high performance. The ground voltage connection during fingerprint sensing reduces noise and interference, improving fingerprint recognition accuracy. The system optimizes resource usage by sharing components between touch and fingerprint functions, reducing hardware complexity and cost. This approach enables seamless integration of touch and fingerprint sensing in a single device, enhancing user experience and security.
9. The touchscreen device of claim 1 , wherein, when performing touch sensing, the touch integrated circuit defines some of the sensing electrode groups as effective channels and some of the remaining sensing electrode groups as ineffective channels, and connects the ineffective channels to the ground voltage source.
A touchscreen device includes a touch integrated circuit (IC) and a plurality of sensing electrode groups arranged in a matrix. The touch IC performs touch sensing by selectively activating and reading signals from the sensing electrode groups. During touch sensing, the touch IC designates some of the sensing electrode groups as effective channels, which are actively used for touch detection, while the remaining sensing electrode groups are designated as ineffective channels. The ineffective channels are connected to a ground voltage source to reduce interference and noise. This selective activation and grounding of channels improves touch sensing accuracy and reduces power consumption by minimizing unnecessary signal processing. The touch IC dynamically adjusts which channels are effective or ineffective based on the touch sensing requirements, allowing for flexible and efficient operation. The device may also include additional features such as display driving capabilities and signal processing to enhance touch performance. The grounding of ineffective channels helps maintain signal integrity by preventing cross-talk and reducing electromagnetic interference. This approach optimizes the touchscreen's performance while conserving power.
10. The touchscreen device of claim 1 , wherein, when performing touch sensing, the touch integrated circuit defines some of the sensing electrode groups as effective channels and some of the remaining sensing electrode groups as ineffective channels, and brings the ineffective channels into an electrically floating state.
A touchscreen device includes a touch integrated circuit (IC) and a plurality of sensing electrode groups arranged in a matrix. The touch IC performs touch sensing by selectively activating some of the sensing electrode groups as effective channels while placing the remaining groups in an electrically floating state as ineffective channels. The effective channels are used to detect touch inputs, while the ineffective channels are temporarily disabled to reduce power consumption or interference. The touch IC dynamically adjusts which groups are effective or ineffective based on touch detection requirements, such as reducing the number of active channels when high-resolution sensing is not needed. This approach improves power efficiency and reduces noise by minimizing unnecessary signal processing. The device may also include a display panel with a display driver IC that coordinates with the touch IC to optimize touch sensing and display operations. The sensing electrode groups may be arranged in rows and columns, and the touch IC may use time-division multiplexing to switch between different configurations of effective and ineffective channels. This method allows the device to adaptively balance performance and power consumption based on usage conditions.
11. The touchscreen device of claim 1 , wherein the touch integrated circuit supplies sensor driving signals of the same phase to the driving electrodes when performing touch sensing, and supplies sensor driving signals of sequentially delayed phases to the fingerprint driving electrodes.
A touchscreen device includes a touch integrated circuit (IC) that drives both touch sensing and fingerprint sensing functions. The touch IC supplies sensor driving signals of the same phase to the driving electrodes during touch sensing operations, ensuring synchronized signal delivery for accurate touch detection. For fingerprint sensing, the touch IC supplies sensor driving signals with sequentially delayed phases to the fingerprint driving electrodes. This phase delay technique enhances fingerprint recognition by improving signal differentiation and spatial resolution. The device integrates touch and fingerprint sensing capabilities into a single system, reducing hardware complexity while maintaining high performance for both functions. The phase control mechanism optimizes signal processing for fingerprint scanning, distinguishing it from conventional touch-only or fingerprint-only systems. The invention addresses the need for compact, multi-functional touchscreens that support both touch input and secure biometric authentication without requiring separate dedicated hardware. The phase-delayed driving signals for fingerprint sensing improve accuracy and reliability compared to systems using uniform phase signals.
12. The touchscreen device of claim 1 , wherein the touchscreen is implemented as mutual capacitance type, based on electrodes included within a display panel.
A touchscreen device includes a mutual capacitance touchscreen integrated within a display panel. The touchscreen operates by detecting changes in capacitance between intersecting electrodes embedded in the display panel. When a conductive object, such as a finger, interacts with the touchscreen, it alters the mutual capacitance between the electrodes, allowing the device to determine touch location and gestures. The display panel itself serves as the touch-sensitive surface, eliminating the need for a separate touch layer. This design reduces thickness and improves optical performance by minimizing additional layers. The mutual capacitance method provides high sensitivity and accuracy, enabling precise touch detection even with multi-touch inputs. The device may include additional features such as a display driver circuit to control the display and a touch controller to process touch signals. The touch controller may use algorithms to interpret touch data, filter noise, and enhance responsiveness. The integrated design ensures seamless interaction between the display and touch functions, improving user experience while maintaining a slim form factor. This technology is particularly useful in smartphones, tablets, and other portable devices where space efficiency and touch accuracy are critical.
13. A touchscreen device with an integrated fingerprint sensor, the touchscreen device comprising: a touchscreen having a touch area for touch sensing and a fingerprint and touch area for touch sensing and fingerprint sensing, the touch area having driving electrodes arranged in a first direction and sensing electrodes arranged in a second direction, and the fingerprint and touch area having fingerprint driving electrodes arranged in the first direction and fingerprint sensing electrodes arranged in the second direction, wherein a distance between two neighboring fingerprint sensing electrodes in the fingerprint and touch area have a smaller distance than a distance between two neighboring sensing electrodes in the touch area; a touch integrated circuit that performs touch sensing through the touch area and the fingerprint and touch area and performs fingerprint sensing through the fingerprint and touch area; and sensing lines connecting the sensing electrodes to the touch integrated circuit passes across the fingerprint sensing electrodes arranged in the fingerprint and touch area, the sensing lines including a first sensing line and a second sensing line, the first sensing line and the second sensing line being individual and separate from each other, wherein the sensing electrodes form a plurality of sensing electrode groups, and the sensing electrode groups are individually and separately connected to the respective sensing lines at the boundary region between the touch area and the fingerprint and touch area, wherein the sensing electrode groups include a first sensing electrode group and a second sensing electrode group, and the first and the second sensing electrode group includes at least two sensing electrodes electrically connected to each other respectively, wherein the first sensing line is electrically connected to one of the at least two sensing electrodes of the first sensing electrode group and the second sensing line is electrically connected to one of the at least two sensing electrodes of the second sensing electrode group, wherein the sensing electrode groups always simultaneously perform sensing in groups by the sensing lines arranged on the touchscreen, and the driving electrodes simultaneously perform driving in groups only when performing touch sensing.
A touchscreen device integrates a fingerprint sensor within a touchscreen, combining touch and fingerprint sensing in a shared area. The touchscreen includes a touch area and a fingerprint and touch area. The touch area has driving and sensing electrodes arranged in perpendicular directions, while the fingerprint and touch area has dedicated fingerprint driving and sensing electrodes. The fingerprint sensing electrodes are spaced closer together than the touch sensing electrodes to enhance fingerprint detection resolution. A touch integrated circuit performs both touch and fingerprint sensing through the shared area. Sensing lines connect the sensing electrodes to the integrated circuit, crossing over the fingerprint sensing electrodes. These sensing lines are individual and separate, with sensing electrodes grouped into clusters. Each cluster is connected to a separate sensing line at the boundary between the touch and fingerprint areas. Within each cluster, multiple sensing electrodes are electrically connected, and each sensing line connects to one electrode per cluster. Sensing is performed in groups simultaneously, while driving electrodes operate in groups only during touch sensing. This design optimizes space and functionality by integrating fingerprint sensing into the touchscreen without compromising touch performance.
14. The touchscreen device of claim 13 , wherein the fingerprint driving electrodes and the fingerprint sensing electrodes work in groups when performing touch sensing and work individually when performing fingerprint sensing.
A touchscreen device integrates both touch sensing and fingerprint sensing functionalities using a shared electrode array. The device includes a plurality of fingerprint driving electrodes and fingerprint sensing electrodes arranged in a matrix. During touch sensing, these electrodes operate in groups to detect touch inputs across the screen. When performing fingerprint sensing, the same electrodes function individually to capture detailed fingerprint data. This dual-mode operation allows the device to efficiently switch between touch and fingerprint sensing without requiring separate hardware for each function. The system optimizes electrode usage by dynamically configuring their roles based on the sensing mode, reducing complexity and cost while maintaining high accuracy for both touch and fingerprint recognition. The shared electrode design ensures seamless integration into existing touchscreen technologies, providing enhanced security and user interaction capabilities in a single, compact form factor.
15. The touchscreen device of claim 13 , wherein the fingerprint sensing electrodes work in groups or individually in response to an operation of a switch block included within the touch integrated circuit.
A touchscreen device integrates fingerprint sensing electrodes with a touch sensing system to enable simultaneous or independent touch and fingerprint detection. The device includes a touch integrated circuit (IC) with a switch block that controls the operation of the fingerprint sensing electrodes. The switch block allows the electrodes to function either in groups or individually, depending on the desired sensing mode. This configuration enhances flexibility in fingerprint scanning, improving accuracy and adaptability to different user interactions. The touch IC processes signals from both touch and fingerprint sensors, enabling seamless integration of biometric authentication with touch input. The switch block dynamically adjusts electrode operation to optimize performance, reducing interference between touch and fingerprint sensing functions. This design supports advanced security features while maintaining the responsiveness of a touchscreen interface. The system is particularly useful in mobile devices, where space constraints require compact, multi-functional sensor designs. The switch block's ability to configure electrode groups or individual electrodes ensures efficient use of hardware resources, improving power efficiency and overall device performance.
16. The touchscreen device of claim 15 , wherein the switch block comprises: first switches that are turned on in response to a fingerprint enable signal and connect the fingerprint sensing electrodes to input terminals of fingerprint sensing parts; and second switches that are turned on in response to a touch enable signal and connects the sensing electrodes to input terminals of touch sensing parts.
A touchscreen device integrates fingerprint sensing and touch sensing functionalities using a shared electrode array. The device includes a switch block that selectively routes signals from the electrodes to either fingerprint sensing circuitry or touch sensing circuitry. The switch block contains first switches that activate in response to a fingerprint enable signal, connecting the electrodes to fingerprint sensing parts for biometric authentication. Simultaneously, second switches in the switch block activate in response to a touch enable signal, connecting the same electrodes to touch sensing parts for detecting user input. This dual-function design reduces hardware complexity by reusing the electrode array for both fingerprint and touch detection, eliminating the need for separate dedicated electrodes. The system dynamically switches between sensing modes based on the enable signals, ensuring efficient operation without compromising performance in either mode. The shared electrode approach optimizes space and cost while maintaining accurate biometric and touch input capabilities.
17. The touchscreen device of claim 13 , wherein, when performing fingerprint sensing, the touch integrated circuit connects a plurality of channels connected to the sensing electrode groups to a ground voltage source.
A touchscreen device integrates fingerprint sensing functionality with touch sensing capabilities. The device includes a touch integrated circuit (IC) connected to a plurality of sensing electrode groups arranged in a sensing area. Each sensing electrode group includes multiple sensing electrodes configured to detect touch inputs and fingerprint patterns. During fingerprint sensing, the touch IC connects multiple channels linked to the sensing electrode groups to a ground voltage source. This grounding configuration enhances the signal-to-noise ratio for fingerprint detection by reducing interference and improving the accuracy of captured fingerprint data. The device may also include a display panel with a touch sensing layer, where the sensing electrode groups are embedded within or positioned adjacent to the touch sensing layer. The touch IC processes signals from the sensing electrode groups to distinguish between touch inputs and fingerprint patterns, enabling simultaneous or sequential operation of touch and fingerprint sensing functions. The grounding of channels during fingerprint sensing ensures reliable fingerprint authentication while maintaining touch functionality. This design optimizes the performance of both touch and fingerprint sensing in a single integrated system.
18. The touchscreen device of claim 13 , wherein, when performing touch sensing, the touch integrated circuit defines some of the sensing electrode groups as effective channels and some of the remaining sensing electrode groups as ineffective channels, and connects the ineffective channels to the ground voltage source.
A touchscreen device includes a touch integrated circuit (IC) and a plurality of sensing electrode groups arranged in a matrix. The touch IC performs touch sensing by selectively activating and reading signals from the sensing electrode groups. During operation, the touch IC designates some of the sensing electrode groups as effective channels, which are actively used for touch detection, while the remaining sensing electrode groups are designated as ineffective channels. The ineffective channels are connected to a ground voltage source to reduce noise and interference. This selective activation and grounding of channels improves touch sensing accuracy and reduces power consumption by minimizing unnecessary signal processing. The touch IC dynamically adjusts which channels are effective or ineffective based on the touch sensing requirements, such as the size or location of the touch area. The device may also include a display panel integrated with the sensing electrode groups, allowing for simultaneous touch sensing and display functionality. The grounding of ineffective channels helps maintain signal integrity by preventing cross-talk between active and inactive channels. This approach optimizes performance in touchscreen applications where power efficiency and touch accuracy are critical.
19. The touchscreen device of claim 13 , wherein, when performing touch sensing, the touch integrated circuit defines some of the sensing electrode groups as effective channels and some of the remaining sensing electrode groups as ineffective channels, and brings the ineffective channels into an electrically floating state.
A touchscreen device includes a touch integrated circuit (IC) and a plurality of sensing electrode groups arranged in a matrix. The touch IC performs touch sensing by selectively activating and reading signals from the sensing electrode groups. During touch sensing, the touch IC designates some of the sensing electrode groups as effective channels, which are actively used for touch detection, while the remaining sensing electrode groups are designated as ineffective channels. The ineffective channels are placed in an electrically floating state to reduce interference and improve touch sensing accuracy. The touch IC may dynamically adjust which sensing electrode groups are effective or ineffective based on the touch sensing requirements or environmental conditions. This selective activation of sensing electrode groups helps optimize power consumption and enhance touch detection performance by minimizing noise and cross-talk from inactive electrodes. The touchscreen device may be used in various electronic devices, such as smartphones, tablets, or touch-sensitive displays, where efficient and accurate touch sensing is required.
20. The touchscreen device of claim 13 , wherein the touch integrated circuit supplies sensor driving signals of the same phase to the driving electrodes when performing touch sensing, and supplies sensor driving signals of sequentially delayed phases to the fingerprint driving electrodes.
A touchscreen device integrates touch sensing and fingerprint sensing capabilities. The device includes a touch integrated circuit (IC) that drives both touch and fingerprint sensing operations. During touch sensing, the IC supplies sensor driving signals of the same phase to the driving electrodes, ensuring synchronized signal delivery across the touch sensor array. For fingerprint sensing, the IC provides sensor driving signals with sequentially delayed phases to the fingerprint driving electrodes, allowing for precise fingerprint pattern detection. The touch sensor array includes multiple driving and receiving electrodes arranged in a grid, while the fingerprint sensor array includes fingerprint driving electrodes and fingerprint sensing electrodes. The touch IC controls the timing and phase of the driving signals to distinguish between touch and fingerprint inputs, optimizing signal integrity and reducing interference. The device may also include a display panel with a touch sensor layer and a fingerprint sensor layer, where the touch sensor layer is positioned above the fingerprint sensor layer. The touch IC dynamically adjusts the driving signals based on the sensing mode, ensuring accurate detection of both touch and fingerprint inputs. This design enhances the device's ability to perform simultaneous or sequential touch and fingerprint sensing without compromising performance.
Unknown
April 7, 2020
Browse 5M+ US patents with plain-English claim translations and AI-generated analysis.